“What a day! Praying for our community again in Santa Barbara. Woke up to this blazing gas fire. then swipe left to see how deep the mud is in my backyard. Helicopters rescuing my neighbors. Looking for missing persons. 13 lives lost. #Mudslides,” the Cecil B. DeMille award recipient, 63, captioned her video montage on Instagram.

WATCH: Death toll hits 15 in California mudslides as search for victims continues

Most of the devastation has occurred in and around Montecito, a wealthy enclave of about 9,000 people northwest of Los Angeles that is home to such celebrities as Winfrey, Rob Lowe and Ellen DeGeneres.

Lowe posted on Twitter that he was “preparing for whatever may come.”

Mourning the dead in our little town tonight. Praying for the survivors and preparing for whatever may come. #Montecito

“My beautiful hometown of Montecito … Where my roots were placed, where my mother raised me and my family. Completely under water. I really can’t believe it,” Hadid wrote in an Instagram post Tuesday. “I am praying and thinking so much for our friends in the hospital and their families that are still missing.”